This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following hypothetical observations would contradict our theories about the formation ... (Read 66 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Jul 27, 2018
Which of the following hypothetical observations would contradict our theories about the formation and evolution of white dwarfs?
 
  A) discovery of a white dwarf with a surface temperature of 6000 K
  B) discovery of a white dwarf with a 1.5 Msun mass main-sequence companion
  C) discovery of a white dwarf with a mass 1.5 times that of the Sun (1.5 Msun)
  D) discovery of a white dwarf at the center of a planetary nebula

Question 2

The proton-proton chain converts four hydrogen nuclei into one helium nucleus plus energy.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jsherida

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Bernana

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 27, 2018
Thanks


Jsherida

  • Sr. Member
  • ****
  • Posts: 314
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Atom formation Atom formation
Formation of aminoacyl tRNAs by aminoacyl tRNA synthetase Formation of aminoacyl tRNAs by aminoacyl tRNA synthetase
Formation of the Early Earth Formation of the Early Earth
Bone Formation Bone Formation
Formation of Concentrated Urine Formation of Concentrated Urine
Cell lineage determination in C. elegans vulva formation Cell lineage determination in C. elegans vulva formation
Video: Status Epilepticus

For a complete list of videos, visit our video library